Binary to Decimal

Enter the values that you want to convert.
Decimal number:
Decimal from signed 2's complement:
Hex number:
Decimal calculation:


A binary number system having to numbers "O", "1" and it is known as Base-2 number system. The base-2 number system used in digital electronics to write instruction for electronic equipment and invented by Gottfried Leibniz. In this zero represents OFF, 1 represents ON cause electronic equipment used gates. Example of a binary number is 10110.


A decimal number system is also called a Base-10 (Hindu Arabic) number system. In this system 10 digits used they are 0,1, 2, 3, 4, 5, 6, 7, 8, 9. In this system, we can write fractional numbers. Example of a decimal number is 129.56.

Binary to Decimal Converter:

It is a free online binary to decimal conversion converter. It converts binary number to decimal, decimal from signed 2's complement, hexadecimal with Decimal number conversion calculation.